package com.example.springbook.mapper;

import com.example.springbook.Model.BookInfo;
import com.example.springbook.Model.UserInfo;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface BookInfoMapper {
    @Insert("insert into book_info(book_name,author,`count`,price,publish,status) " +
            "values (#{bookName},#{author},#{count},#{price},#{publish},#{status})" )
    Integer insertBook(BookInfo bookInfo);

    @Select("select * from book_info where status!=0 limit #{offest},#{limit} ")
    List<BookInfo> getBookListByPage(Integer offest,Integer limit);

    @Select("select count(1) from book_info where status!= 0")
    Integer getBookCount();

    //根据id查找这里的书籍
    @Select("select * from book_info where id=#{id}")
    BookInfo queryBookById(Integer id);

    //此时就要使用动态SQL，此时使用就是XML文件
    Integer updateBook(BookInfo bookInfo);

    @Update("update book_info set status=0 where id=#{id}")
    Integer deleteBook(Integer id);

    Integer batchDeleteBook(List<Integer> ids);

}
